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document.width

Obsolete
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

Note: Starting in Gecko 6.0, document.width is no longer supported. Instead, use document.body.clientWidth. See element.clientWidth.

Returns the width of the <body> element of the current document in pixels.

Not supported by Internet Explorer.

Syntax

pixels = document.width;

Example

function init() {
    alert("The width of the document is " + document.width + " pixels.");
}

Alternatives

document.body.clientWidth              /* width of <body> */
document.documentElement.clientWidth   /* width of <html> */
window.innerWidth                      /* window's width */

Specification

HTML5

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	No	?	No	?	?	?